Home / 12,824.85-19,202.52-6,655.89

Finding the Fourth Proportional to 12,824.85, 19,202.52 and 6,655.89

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Solution

The fourth proportional to 12,824.85, 19,202.52 and 6,655.89 is: 9,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.85 : 19,202.52 = 6,655.89 : x
  2. Step 2: Convert to fraction form
    12,824.85/19,202.52 = 6,655.89/x
  3. Step 3: Cross multiply
    12,824.85x = 19,202.52 × 6,655.89
  4. Step 4: Simplify right side
    12,824.85x = 127,809,860.84
  5. Step 5: Solve for x
    x = 127,809,860.84/12,824.85
  6. Step 6: Final answer
    x = 9,965.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.